Question

What is 3 times sqrt 18

Answer 1

The square root of 18 = 4.24264068712. Rounding it would just be 4.2. Then 3 times 4.2 is 12.6

Answer 2

`3\cdot √(18)=3\cdot √(9\cdot 2)=3\cdot √(9 )\cdot √(2)=3\cdot 3\cdot √(2)=9√(2)`